<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div id="test"></div>
<script src="browser.js"></script>
<canvas id="test-canvas" width="200" height="100">
    <p>你的浏览器不支持Canvas</p>
</canvas>
</body>
</html>